8 ripe peaches, peeled and sliced (or chopped)
1/2 cup sugar
1/2 cup brown sugar
1/3 cup brandy, optional
1/4 cup (1/2 stick) unsalted butter, cubed
1 teaspoon cinnamon
1 teaspoon vanilla extract
Place sliced or chopped peaches in a large bowl and toss together with sugars, brandy, cinnamon and vanilla extract.
Pour mixture into slow cooker and top with cubed butter.
Turn slow cooker on LOW and cook for 1 1/2-2 hours, stirring halfway through, or until peaches are tender and sauce is thick and syrupy.
Serve hot with vanilla ice cream, or let cool and cook in a pie or crumble.